Surname Volkun (Volkun 
, Волкун 
) , all over the world, is a rare cognomen. The last name Volkun is characteristic of Ukraine, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Portugal. Not in comparison with a country's population, it is commonest in Ukraine, Russia, and Kazakhstan. Much less frequently, Volkun is the forename as well as the last name.